Jumping to conclusions?
All we know is that the electronics "turn off" and then "turn back on".
What conditions or triggers will do that?
Power source interrupt? low or high voltage? overload of inputs? "this device must accept interference fed it"?
I like the military angle, our electronics can easily be used for terrorist purposes, you can be sure there's ways to counter that...
I'm a lazy trouble shooter. Shooting in the dark, rattling all the cabling, how will you know it really was "fixed"?
a quick search, data log the voltage to rule out some trouble?
https://www.dataloggerinc.com/produc...e-data-logger/
There will be tons of others available at different price points.
Pretty cheap compared to yard shop rates...?